WMSIC Electronic Components

cjiang FNR6045S152MT

ModelFNR6045S152MT
PackageSMD
Brandcjiang
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
cjiang FNR6045S152MT
Type
CJIANG
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FNR6045S152MT
Electronic Component
1
Package
SMD
Type
Magnetic Display Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.834g
Inductor
1.5mH
Electronic Component
1
Electronic Component
BM0257699606
Current
240mA
Resistor(DCR)
8.45Ω
Electronic Component
Electronic Component
Electronic Component
1500

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

FNR6045S152MT 产品概述

一、产品概要

FNR6045S152MT 是长江微电(cjiang/长江微电)出品的一款磁屏蔽型功率电感,规格为 1.5 mH ±20%,封装为 SMD(6×6 mm)。该器件面向低电流直流-直流变换与滤波应用,典型参数如下:

  • 标称电感:1.5 mH ±20%
  • 额定电流(Ir):240 mA
  • 饱和电流(Isat):270 mA
  • 直流电阻(DCR):8.45 Ω
  • 类型:磁屏蔽功率电感(磁胶/屏蔽结构)
  • 封装:SMD 6×6 mm
    型号:FNR6045S152MT

二、主要特性与优势

  • 小型化封装(6×6 mm),适合空间受限的表贴设计。
  • 磁屏蔽结构降低漏磁,便于在靠近敏感电路的场合使用,减小电路相互干扰。
  • 标称感量较大(1.5 mH),适用于低频滤波与能量存储场景。
  • 通过 SMD 工艺适配高速贴装与回流焊生产线,便于批量制造。

三、适用场景

  • 低功率 DC-DC 降压/升压变换器中的储能/滤波电感(需注意电流与损耗限制)。
  • 模拟与数字电源滤波(输入输出 L-C 滤波、去耦)。
  • LED 驱动与小功率传感器供电模块。
  • 对漏磁有要求的紧凑型电源模块与消费类电子小型电源板。

四、使用与选型注意事项

  • 电流与功耗:器件 DCR 为 8.45 Ω,额定电流 240 mA 时的铜耗约 P = I^2·R ≈ 0.24^2×8.45 ≈ 0.49 W,耗散较大,会导致明显升温。建议在系统中留足散热余量或选择更低 DCR 的器件以降低损耗。
  • 饱和与直流偏置:随着直流偏置电流增大,实际电感会下降,超过 Isat(270 mA)时电感趋于饱和并急剧衰减。设计时应预留裕量,通常建议工作电流不超过额定电流 80–90%。
  • 温升与环境:高 DCR 导致在长时间高负载下温升显著,请关注环境温度和周围元件耐温性,必要时进行热仿真或实测。
  • 容量与公差:±20% 公差适合一般滤波应用,但对精密振荡或谐振电路需考虑配合调整或使用更高精度元件。

五、封装与焊接建议

  • 推荐采用制造商提供的 PCB 安装图与焊盘推荐尺寸,保证焊接可靠性与热扩散效果。
  • 使用标准回流焊工艺(建议遵循 JEDEC 回流曲线),避免超过厂商最高温度限制以免影响磁芯性能与粘结材料。
  • 焊接后建议进行功能与阻抗检测,确认 DCR、感量在可接受范围内。

六、测试与可靠性

  • 首次量产前应进行电感值、DCR、温升、直流偏置特性与回路整体效率测试。
  • 对于需要长期稳定性的应用,建议进行热循环与湿热老化测试以验证机械与磁性材料的可靠性。
  • 若对 EMI 要求严格,需配合 PCB 接地与屏蔽设计进行整体评估。

总结:FNR6045S152MT 以其 1.5 mH 的较大电感值与磁屏蔽结构适用于低功率滤波与储能场景,但较高的 DCR 和较低的额定电流限制了其在高电流场合的使用。在选型与布局时,应重点关注电流裕量、功耗散热与回流焊工艺,必要时联系长江微电索取完整数据手册与推荐焊盘图以取得最佳使用效果。

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